What weather observation is prepared hourly?

Study for the ATC Initial Tower Block 1 Test. Prep with flashcards and multiple choice questions, complete with hints and explanations. Get ready for your exam!

Multiple Choice

What weather observation is prepared hourly?

Explanation:
METAR is the hourly aviation weather observation. It’s the standard report generated at airports to capture current surface conditions for pilots and ATC on an hourly schedule (on the hour, with updates if needed). A METAR includes wind direction and speed, visibility, present weather, cloud cover and ceiling, temperature and dew point, and the altimeter setting. This regular cadence helps crews track changes and plan operations. Other options aren’t hourly observations: SIGMET and AIRMET are issued as weather events occur or persist over regions, not on a strict hourly timetable; PIREP is a pilot’s in-flight observation rather than a routine station report; a SPECI is an unscheduled special update when significant weather changes happen between METARs.

METAR is the hourly aviation weather observation. It’s the standard report generated at airports to capture current surface conditions for pilots and ATC on an hourly schedule (on the hour, with updates if needed). A METAR includes wind direction and speed, visibility, present weather, cloud cover and ceiling, temperature and dew point, and the altimeter setting. This regular cadence helps crews track changes and plan operations. Other options aren’t hourly observations: SIGMET and AIRMET are issued as weather events occur or persist over regions, not on a strict hourly timetable; PIREP is a pilot’s in-flight observation rather than a routine station report; a SPECI is an unscheduled special update when significant weather changes happen between METARs.

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